These versions of DPL Pro-Series rear disc kits provides a complete solution for Bronco 65-77 rear axles with Big Ford flange and bearing. (normally: OE 11 inch diameter brakes and 3300 GVW.) Forged Billet Dynapro Lug Mount four piston calipers, 12.19" one-piece drum/rotors, and high friction pads provide optimized and balanced braking to compliment front big brake upgrades available for Bronco platform. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs enable the builder to personalize the style and optimize brake performance for every individual application.